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Finding the Fourth Proportional to 68,805.56, 94,952.76 and 38,597.60

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Solution

The fourth proportional to 68,805.56, 94,952.76 and 38,597.60 is: 53,265.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,805.56 : 94,952.76 = 38,597.60 : x
  2. Step 2: Convert to fraction form
    68,805.56/94,952.76 = 38,597.60/x
  3. Step 3: Cross multiply
    68,805.56x = 94,952.76 × 38,597.60
  4. Step 4: Simplify right side
    68,805.56x = 3,664,948,649.38
  5. Step 5: Solve for x
    x = 3,664,948,649.38/68,805.56
  6. Step 6: Final answer
    x = 53,265.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.